电脑鼠工程源码，对应二代电脑鼠（615芯片）。用IAR打开，曾获得天津电脑鼠比赛三等奖。注意IAR要用老版本的。-Computer mouse engineering source code, corresponding to the two generation computer mouse (the 615 chip). Open with IAR, won the three prize in Tianjin computer mouse contest. Note that IAR us